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Air quality in Norristown
Air quality index (AQI) and PM2.5 air pollution in Norristown
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Norristown Air Quality Map
Real-time Norristown air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Norristown today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Norristown?
| Weather | Mist |
| Temperature | 59°F |
| Humidity | 75% |
| Wind | 0 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Campo, California | 93 |
| 2 | Mecca, California | 90 |
| 3 | Georgetown, Texas | 82 |
| 4 | Round Rock, Texas | 75 |
| 5 | Palm Desert, California | 71 |
| 6 | Leander, Texas | 67 |
| 7 | Corpus Christi, Texas | 65 |
| 8 | Cedar Park, Texas | 64 |
| 9 | McKeesport, Pennsylvania | 64 |
| 10 | Pahrump, Nevada | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
58*
live AQI index
Moderate
Overview
What is the current air quality in Norristown?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 58* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.7*µg/m³ | |
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PM2.5
x2.5
PM2.5 concentration in Norristown is currently 2.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Norristown?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Norristown air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 58 AQI US |  | 77° 59° |  8.9 mp/h |
| Monday, Jun 3 | Moderate 58 AQI US |  70% | 78.8° 62.6° | 4.5 mp/h |
| Tuesday, Jun 4 | Moderate 54 AQI US | | 80.6° 60.8° | 6.7 mp/h |
| Wednesday, Jun 5 | Good 31 AQI US  | 100% | 75.2° 57.2° | 11.2 mp/h |
| Thursday, Jun 6 | Good 44 AQI US | 100% | 82.4° 66.2° | 8.9 mp/h |
| Friday, Jun 7 | Good 48 AQI US | 100% | 75.2° 59° | 13.4 mp/h |
| Saturday, Jun 8 | Good 38 AQI US | 40% | 69.8° 53.6° | 11.2 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Norristown?
No locations are available.
AQI US, Metric